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No. 19-1582, 19-1583, 19-1625, 19-1626
IN THE UNITED STATES COURT OF APPEALS FOR THE FIRST CIRCUIT
______________________
Nos. 19-1582, 19-1625
UNITED STATES OF AMERICA Appellant
v.
NIA MOORE-BUSH, A/K/A NIA DINZEY Appellee
______________________
Nos. 19-1583, 19-1626
UNITED STATES OF AMERICA Appellant
v.
DAPHNE MOORE Appellee
______________________ On Appeal from the United States District Court for the
District of Massachusetts
Case No. 3:18-30001-WGY Honorable William G. Young, District Court Judge
_____________________
BRIEF OF THE CENTER FOR DEMOCRACY & TECHNOLOGY AS AMICUS CURIAE IN SUPPORT OF APPELLEES
________________________
Trisha B. Anderson Alexander A. Berengaut Jadzia Pierce COVINGTON & BURLING LLP 850 Tenth Street, N.W. Washington, D.C. 20001 (202) 662-6000 Attorneys for Amicus Curiae Center for Democracy & Technology
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CORPORATE DISCLOSURE STATEMENT
Pursuant to Rule 26.1 of the Federal Rules of Appellate Procedure, amicus
curiae Center for Democracy & Technology states that it does not have a parent
corporation and that no publicly held corporation owns 10 percent or more of its
stock.
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TABLE OF CONTENTS
CORPORATE DISCLOSURE STATEMENT ......................................................... i STATEMENT OF INTEREST .................................................................................. 1 INTRODUCTION ..................................................................................................... 2 ARGUMENT ............................................................................................................. 5 I. The Government’s Persistent Surveillance of Defendants’ Movements
Outside and Surrounding Their Home is a Search Under the Fourth Amendment. .................................................................................................... 5
A. The Government’s Eight-Month Surveillance Operation Contravened Defendants’ Reasonable Expectations of Privacy in the Whole of Their Physical Movements. ........................................ 5
B. Defendants’ Expectations of Privacy in the Whole of Their Movements Is Strongest Where, As Here, the Government Surveils the Home. ............................................................................. 11
II. Evolving Technologies Must Not Displace Reasonable Expectations of Privacy In Favor of More Intrusive Surveillance. .................................... 14
A. The Advance of Technology Should Not Shrink the Zone of Privacy Protected by the Fourth Amendment. ................................... 15
B. Future Pole Cameras Will Present an Even Greater Threat to the Right to Retreat Into the Home. ......................................................... 19
CONCLUSION ........................................................................................................27
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TABLE OF AUTHORITIES Page(s)
Cases
Berger v. State of N.Y., 388 U.S. 41 (1967) (opinion of Douglas, J.) ...................................................... 13
California v. Ciraolo, 476 U.S. 207 (1986) ...................................................................................... 13, 14
Carpenter v. United States, 138 S. Ct. 2206 (2018) .................................................................................passim
Chimel v. California, 395 U.S. 752 (1969) ............................................................................................ 16
Dow Chemical Co. v. United States, 476 U.S. 227 (1986) ............................................................................................ 14
Ferguson v. City of Charleston, 532 U.S. 67 (2001) .............................................................................................. 11
Florida v. Jardines, 569 U.S. 1 (2013) .................................................................................... 11, 12, 13
Florida v. Riley, 488 U.S. 445 (1989) ............................................................................................ 19
Hill v. Walsh, 884 F.3d 16 (1st Cir. 2018) ................................................................................. 11
Katz v. United States, 389 U.S. 347 (1967) .......................................................................................... 5, 9
Kyllo v. United States, 533 U.S. 27 (2001) .......................................................................................passim
Oliver v. United States, 466 U.S. 170 (1984) ............................................................................................ 12
Riley v. California, 573 U.S. 373 (2014) .................................................................................. 2, 15, 16
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Silverman v. United States, 365 U.S. 505 (1961) ............................................................................................ 19
Skinner v. Railway Labor Executives Association, 489 U.S. 602 (1989) ............................................................................................ 11
United States v. Bain, 874 F.3d 1 (1st Cir. 2017) ............................................................................... 5, 12
United States v. Bucci, 582 F.3d 108 (1st Cir. 2009) ................................................................................. 9
United States v. Jones, 565 U.S. 400 (2012) .....................................................................................passim
United States v. Martins, 413 F.3d 139 (1st Cir. 2005) ............................................................................... 11
United States v. Miller, 425 U.S. 435 (1976) ............................................................................................ 16
United States v. Moore-Bush, 2019 WL 2341182 (D. Mass. June 3, 2019) ......................................................... 8
United States v. Morel, 922 F.3d 1 (1st Cir. 2019) ..................................................................................... 5
Weeks v. United States, 232 U.S. 383 (1914) .............................................................................................. 2
Other Authorities
Fourth Amendment ...........................................................................................passim
4 William Blackstone, Commentaries on the Laws of England 223 (1769) .................................................................................................................... 2
BriefCam, It’s Not Magic . . . It’s Science, https://www.briefcam.com/technology/how-it-works/ ....................................... 22
Christopher Bodeen, Hong Kong protestors wary of Chinese surveillance technology, Associated Press (June 13, 2019), https://www.apnews.com/028636932a874675a3a5749b7a533969 ................... 26
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Miguel Bordallo Lopez et al., Kinship verification from facial images and videos: human versus machine, Machine Vision and Applications (May 29, 2018), https://www.jorgegoncalves.com/docs/mvap18.pdf .......................................... 23
Covert Law Enforcement, Reliability, Hidden in Plain Sight, https://www.covertlawenforcement.com/ ........................................................... 21
Dan Cremins, Find Video Surveillance Evidence Faster with these 5 Must-Have VMS Features, March Networks (Aug. 18, 2016), https://www.marchnetworks.com/intelligent-ip-video-blog/find-video-surveillance-evidence-faster-with-these-5-must-have-vms-features/ ............................................................................................................... 21
Erin Einhorn, A Fight Over Facial Recognition is Dividing Detroit, NBC News (Aug. 22, 2019), https://www.nbcnews.com/news/us-news/fight-over-facial-recognition-dividing-detroit-high-stakes-police-privacy-n1045046 .................................................................................... 25
Clare Garvie & Laura M. Moy, America Under Watch: Face Surveillance in the United States (May 16, 2019), https://www.americaunderwatch.com/ ............................................................... 25
i2c Technologies, Intelligent Video Surveillance Integrated Solutions for Law Enforcement, https://www.i2ctech.com/wp-content/uploads/2017/07/i2cLawEnforcementBrochure.pdf?x28211 ........................................................................................................................... 21
Tim Lewis, AI can read your emotions. Should it? The Guardian (Aug. 17, 2019), https://www.theguardian.com/technology/2019/aug/17/emotion-ai-artificial-intelligence-mood-realeyes-amazon-facebook-emotient ..................... 24
Tom Simonite, Thanks to AI, These Cameras Will Know What They’re Seeing, Wired (April 17, 2018), https://www.wired.com/story/thanks-to-ai-these-cameras-will-know-what-theyre-seeing/ .................................................................................. 24
Sears, ElectroFlip HD 720p Spy Security Pinhole Camera, https://www.sears.com/homesecur-hidden-spy-camera-warehouse-security-hd-720p/p-SPM8496553911........................................................... 18, 19
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Sears, FREDI HD 1080P 720P Mini Super Small Portable Hidden Spy Camera, https://www.sears.com/fredi-hd-1080p-720p-mini-super-small-portable/p-SPM8768202123 ........................................................... 18
James Vincent, Artificial Intelligence is Going to Supercharge Surveillance, The Verge (Jan. 23, 2018), https://www.theverge.com/2018/1/23/16907238/artificial-intelligence-surveillance-cameras-security......................................................... 24
Samuel D. Warren & Louis D. Brandeis, The Right to Privacy, 4 HARV. L. REV. 193 (1890) .................................................................................. 14
Jaclyn Jeffrey-Wilensky, Here’s how AI could help catch shoplifters in the act, NBC News (March 18, 2019), https://www.nbcnews.com/mach/science/here-s-how-ai-could-help-catch-shoplifters-act-ncna984566 ............................................................... 23
WCCTV, Benefits of Rapid Deployment Camera Systems, https://www.wcctv.com/benefits-of-rapid-deployment-camera-systems/ ............................................................................................................... 21
WCCTV, Video Analytics, https://www.wcctv.com/wcctv-video-analytics/ ............................................................................................................. 23
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STATEMENT OF INTEREST1
The Center for Democracy & Technology (CDT) is a nonprofit public
interest organization which seeks to ensure that the human rights we enjoy in the
physical world are realized in the digital world. Integral to this work is CDT’s
representation of the public’s interest in protecting individuals from abuses of new
technologies that threaten the constitutional and democratic values of privacy and
free expression.
In particular, for twenty-five years, CDT has advocated in support of laws
and policies that protect individuals from unconstitutional government
surveillance. This case has profound ramifications that reach far beyond the
specific technology at issue, and that threaten the ability to associate, repose, and
retreat into one’s home.
1 This brief is filed with the consent of all parties. Pursuant to Federal Rule of Appellate Procedure 29(a)(4)(E), amicus curiae certifies that no party’s counsel authored this brief in whole or in part, no party or party’s counsel contributed money that was intended to fund preparing or submitting this brief, and no person—other than amicus curiae, their members, or their counsel—contributed money that was intended to fund preparing or submitting this brief.
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INTRODUCTION
“Every man’s house is his castle.” Weeks v. United States, 232 U.S. 383,
390 (1914). This maxim traces its heritage back to English common law, which
recognized that the law has “so particular and tender a regard to the immunity of a
man’s house that it stiles [sic] it his castle, and will never suffer it to be violated
with impunity.” 4 William Blackstone, Commentaries on the Laws of England 223
(1769). From America’s earliest days, the paramount importance of the privacy of
the home has been enshrined in the Fourth Amendment. Indeed, the Supreme
Court has recognized that “the Fourth Amendment was the founding generation’s
response to the reviled ‘general warrants’ and ‘writs of assistance’ of the colonial
era, which allowed British officers to rummage through homes in an unrestrained
search for evidence of criminal activity.” Riley v. California, 573 U.S. 373, 403
(2014).
In the modern era, the bedrock protection afforded the home by the Fourth
Amendment is constantly being tested by ever-changing and evolving
technology—from thermal imaging devices to cell phones and facial recognition
software. Without the vigilant enforcement of Fourth Amendment rights, these
advances will “leave the homeowner at the mercy of advancing technology.” Kyllo
v. United States, 533 U.S. 27, 35–36 (2001).
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This case raises the question of whether the longstanding protection afforded
the home under the Fourth Amendment will give way to persistent government
video surveillance without the protections of a search warrant. For a period of
approximately eight months, the Government, without a warrant, used a camera
mounted to a utility pole to monitor and record every second of every move of
every person outside the home of defendant Nia Moore-Bush’s mother, co-
defendant Daphne Moore (where Ms. Moore-Bush and her husband were living).
In a distant office, far from the home’s quiet residential street, law enforcement
officers were able to remotely pan, tilt, and zoom the camera in and out in a way
that was undetectable to those standing near the home itself. There was no need to
continuously monitor the camera; the officers could review the recorded footage at
their convenience.
As the district court correctly held, the Supreme Court’s recent decision in
Carpenter v. United States, 138 S. Ct. 2206 (2018), compels the conclusion that
the Government’s eight-month warrantless surveillance operation in this case
violates the Fourth Amendment. People reasonably expect that the government
will not amass a vast searchable video database of their domestic comings and
goings, twenty-four hours a day, month after month. This reasonable expectation
of privacy is not vitiated by the fact that the pole camera recorded only the
publicly-viewable exterior of the house, just as the reasonable expectation of
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privacy in the location information at issue in Carpenter was not defeated because
the data reflected the defendant’s public movements.
Even setting aside the manifest similarity between this case and Carpenter,
there are other reasons the Fourth Amendment required a warrant here. Not only
does this case involve the home—where the reasonable expectation of privacy is at
its zenith—it also involves a technology that is subject to abuse in profound ways
that are not yet fully developed and understood. For example, the government
could apply facial recognition technology to its pole camera video database,
gleaning new, highly-sensitive information from the voluminous data that has
already been collected. It could also harness artificial intelligence to support video
analytics, such as license plate or individual recognition. Indeed, armed with a
favorable ruling in this case, nothing would stop the Government from
unilaterally—and without any court oversight—building such a database by
placing a pole camera outside the home of every person, whether the subject of a
criminal investigation or not. The Fourth Amendment does not tolerate such an
unbridled intrusion into the sanctity of our homes, and neither should this Court.
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ARGUMENT
I. The Government’s Persistent Surveillance of Defendants’ Movements Outside and Surrounding Their Home is a Search Under the Fourth Amendment.
A. The Government’s Eight-Month Surveillance Operation Contravened Defendants’ Reasonable Expectations of Privacy in the Whole of Their Physical Movements.
For more than fifty years, the Supreme Court has held that the Fourth
Amendment protects against government activity that intrudes upon a person’s
“reasonable expectation of privacy.” United States v. Bain, 874 F.3d 1, 12 (1st Cir.
2017) (quoting Katz v. United States, 389 U.S. 347, 351 (1967)). Specifically, the
Amendment affords constitutional protection to circumstances in which a person
has “exhibited an actual, subjective expectation of privacy” and that “subjective
expectation of privacy is one that society is prepared to recognize as objectively
reasonable.” United States v. Morel, 922 F.3d 1, 8 (1st Cir. 2019) (internal
quotations and citation omitted); see also Katz, 389 U.S. at 361 (Harlan, J.,
concurring).
In Carpenter, the Court applied this familiar Fourth Amendment analysis to
the acquisition of a defendant’s location history collected over a period of several
days via cell-site location information (“CSLI”) created by the operation of his
phone communicating with radio antennae called cell sites. See 138 S. Ct. at
2211—12. The Court held that the Fourth Amendment protected the location data
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at issue, recognizing that the multi-day tracking of a person’s movements
“provides an intimate window into a person’s life, revealing not only his particular
movements, but through them his familiar, political, professional, religious, and
sexual associations.” Id. at 2217 (internal quotations omitted). The Court
explained that while law enforcement historically had the power to “tail” suspects
in public without a warrant, the collection of CSLI produces an indelible log of the
whole of a person’s movements that allows law enforcement to “travel back in
time to retrace a person’s whereabouts.” Id. at 2218. Accordingly,
notwithstanding the fact that the defendant’s movements were tracked as he moved
in public, the Fourth Amendment protected the data at issue because it captured an
ephemeral yet inherently personal aspect of the defendant’s life. See id. at 2217
(“A person does not surrender all Fourth Amendment protection by venturing into
the public sphere.”).
In reaching these conclusions, the Court relied on its earlier decision in
United States v. Jones, 565 U.S. 400 (2012), in which a majority of the Justices
agreed that the use of a GPS tracking device to remotely monitor a vehicle’s
movements over a period of twenty-eight days without a warrant had violated the
defendant’s reasonable expectation of privacy. As in Carpenter, several of the
Justices recognized in Jones that the surveillance at issue violated the defendant’s
reasonable expectation of privacy because of its protracted nature, which intruded
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upon the reasonable expectation of privacy in the whole of a person’s movements,
even across public spaces. See 565 U.S. at 430 (Alito, J., concurring)
(“[R]elatively short-term monitoring of a person’s movement on public streets
accords with expectations of privacy that our society has recognized as reasonable.
But the use of longer-term GPS monitoring in investigations of most offenses
impinges on expectations of privacy.”); see also id. at 415 (Sotomayor, J.,
concurring).
This case involves precisely the same concerns that animated the Supreme
Court in Carpenter and Jones; if anything, those concerns are exacerbated here in
light of the nature of the technology at issue and the robustness of the information
captured. Here, as in those cases, the Government conducted a lengthy
surveillance operation that monitored a person’s physical movements. Indeed, the
duration of the surveillance in this case (more than 240 days) is significantly longer
than in either Carpenter or Jones. See Carpenter, 138 S. Ct. at 2217 n.3 (seven
days’ worth of CSLI data); Jones, 565 U.S. at 400 (twenty-eight days’ worth of
GPS tracking of a vehicle). Additionally, the pole camera here affords a robust
depiction of the defendants’ activities—permanently captured on video footage—
and not merely inferences drawn about those activities from the location of the
person over time.
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As Justice Sotomayor recognized in her Jones concurrence, and as the Court
later embraced in Carpenter, this type of sustained surveillance can reveal “a
wealth of detail about [a person’s] familial, political, professional, religious, and
sexual associations.” Jones, 565 U.S. at 415 (Sotomayor, J., concurring); see
Carpenter, 138 S. Ct. at 2217. Over the course of eight months, a pole camera
trained at a home would monitor moment-to-moment activities at a person’s home;
items they bring into and out of their home; packages left on their front stoop; their
visitors; their activities around the house; and the clothing they choose to wear.
Repeated departures at a certain time may indicate a pattern of religious
observance, political expression, family gatherings, or community involvement.
As the district court correctly recognized, the Fourth Amendment concerns
in this case are multiplied because the pole camera video was recorded, giving the
Government the ability to search through the digitized recordings of the
defendants’ activities and enabling the Government to discern information that
would otherwise be unavailable without burdensome human surveillance and
cumbersome, intricate manual recordkeeping. See United States v. Moore-Bush,
2019 WL 2341182, at *1 (D. Mass. June 3, 2019). Because of the reviewable
nature of the aggregated video footage, the information collected by the pole
camera pointed at the defendants’ home was of the same “detailed, encyclopedic”
nature, and with the same “retrospective quality” that enabled law enforcement to
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“travel back in time” to retrace defendants’ whereabouts in Carpenter. 138 S. Ct.
at 2216, 2218.
Notwithstanding these manifest similarities among this case, Carpenter, and
Jones, the Government argues that this case is different because pole cameras only
capture a “small portion of a person’s movements.” Gov’t Br. at 22. Yet, as
discussed above, the “portion of a person’s movements” captured by their comings
and goings from their house are rich with meaning, revealing a wealth of
information about their identity, associations, and activities. Just as monitoring a
car for twenty-eight day period provides an intimate portrait of the driver even
though she does not spend every moment in her vehicle, see Jones, 565 U.S. at
400, so too does the monitoring at issue here intrude upon a reasonable expectation
of privacy, even though the defendants were not under video surveillance every
moment of every day.2 Indeed, the video footage captured may offer a more
robust—and therefore more intimate—portrait of her private life.
2 As the district court correctly held, this Court’s decision in United States v. Bucci, 582 F.3d 108, 116 (1st Cir. 2009), cannot be reconciled with Jones and Carpenter and accordingly does not control here. The fulcrum of the Court’s analysis in Bucci was the proposition that “[a]n individual does not have an expectation of privacy in items or places he exposes to the public.” 582 F.3d at 116-17 (citing Katz, 389 U.S. at 351). As discussed above, Carpenter expressly rejects this
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Likely recognizing the expansive surveillance powers it is claiming, the
Government seeks to preempt any concern about its use of pole cameras by
assuring the Court that they are used only to “address investigative needs in
specific cases.” Gov’t Br. at 22. This is not a meaningful limitation because it is
not required by law, can be changed unilaterally in the future, and need not be
followed by other law enforcement agencies. Nor does it mitigate the Fourth
Amendment concerns that attend such persistent surveillance of a home. The
entire point of the Fourth Amendment is to require the independent oversight of
impartial courts when the government wants to conduct searches and seizures that
intrude upon reasonable expectations of privacy. In the Fourth Amendment
context, reliance on the government’s own self-imposed limitations would be
misplaced. An individual police officer’s judgment about when to continuously
record all activities outside of a person’s home is not an appropriate substitute for a
warrant.
Even if it were appropriate to rely on the Government’s self-imposed
limitation, the specific limitation it proposes—to “address investigative needs in
notion, holding that “a person does not surrender all Fourth Amendment protection by venturing into the public sphere.” 138 S. Ct. at 2217.
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specific cases”—shows precisely why a warrant is required. While “special needs
beyond the normal need for law enforcement” can, in exceptional circumstances,
render the warrant requirement inapplicable, Skinner v. Railway Labor Executives
Association, 489 U.S. 602, 619 (1989) (internal quotations and citation omitted), a
law enforcement need underscores the appropriateness of requiring a warrant, see,
e.g., Ferguson v. City of Charleston, 532 U.S. 67, 84 (2001) (the fact that evidence
of drug use was turned over to police “does not merely provide a basis for
distinguishing our prior cases applying the ‘special needs’ balancing approach . . .
[it] also provides an affirmative reason for enforcing the strictures of the Fourth
Amendment”).
B. Defendants’ Expectations of Privacy in the Whole of Their Movements Is Strongest Where, As Here, the Government Surveils the Home.
“It is a bedrock principle that the prophylaxis of the Fourth Amendment is at
its zenith with respect to an individual’s home.” United States v. Martins, 413
F.3d 139, 146 (1st Cir. 2005) (citing Kyllo, 533 U.S. at 31) (abrogated on different
grounds, Hill v. Walsh, 884 F.3d 16, 19 (1st Cir. 2018)). Moreover, it is well-
established that the curtilage—the “[t]he area immediately surrounding and
associated with the home”—is considered “part of the home itself for Fourth
Amendment purposes.” Florida v. Jardines, 569 U.S. 1, 6 (2013) (internal
quotations and citation omitted). The curtilage is afforded protection equal to that
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of the home because it is “intimately linked to the home, both physically and
psychologically.” Bain, 874 F.3d at 12 (internal quotations and citation omitted)
(citing Jardines, 569 U.S. at 7).
In Jardines, the Court found that bringing a drug-sniffing dog to the
defendant’s porch, even without entering the home itself, constituted a “search” for
purposes of the Fourth Amendment. 569 U.S. at 1. The Court concluded that the
boundaries around the home that make up the home’s “curtilage” are “easily
understood from our daily experience.” Id. at 7 (internal quotations and citation
omitted) (citing Oliver v. United States, 466 U.S. 170, 182, n.12 (1984)). Here,
Ms. Moore’s driveway and front of her home plainly fall within areas of curtilage
to which “the activity of home life extends.” Id. (internal quotations and citation
omitted). As such, the search that took place in this case—the recording of every
activity in the driveway and front of the home for eight months—fell squarely
within the areas that are at the “zenith” of Fourth Amendment concern.
Rather than confront the clear privacy implications of surveilling an
individual’s curtilage for eight months, the Government asserts in a footnote that
Jardines (and Jones) “did not address expectations of privacy at all, since they
relied on a trespass theory in finding that a search occurred.” Gov’t Br. at 20 n. 10.
However, the Court acknowledged that property rights “are not the sole measure of
Fourth Amendment violations” in Jardines, 569 U.S. at 5 (internal quotations and
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citation omitted), and in Jones, the Court acknowledged that trespass is not the
exclusive test under the Fourth Amendment. Jones, 565 U.S. at 411. Indeed,
Jones expressly recognizes that “physical intrusion is now unnecessary to many
forms of surveillance,” and that such cases “remain subject to Katz analysis.” Id.
at 411, 414. Cf. Berger v. State of N.Y., 388 U.S. 41, 65 (1967) (opinion of
Douglas, J.) (opining that “electronic surveillance . . . in effect[] places an invisible
policeman in the home”).
The Government also argues that any expectations of privacy that
Defendants may have had in the curtilage were diminished by the fact that
activities outside the home “remained visible from a public street” and “could be
seen by passersby.” Gov’t Br. at 25. But this argument was expressly rejected in
Jardines, which held that the implicit license to enter the home’s curtilage that is
afforded to “the Nation’s Girl Scouts and trick-or-treaters” does not extend to
entering the home’s curtilage with a drug-sniffing dog. 569 U.S. at 8-9. Similarly,
the fact that a person (or a Google “Street View” car) may view and even take
pictures of the curtilage of the home does not grant license to law enforcement to
record every single movement that takes place within that curtilage over a period
of eight months, without judicial oversight.
The eight-month duration of the surveillance of Ms. Moore’s curtilage is
also what distinguishes California v. Ciraolo, 476 U.S. 207 (1986), on which the
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Government heavily relies. In Ciraolo, the government surveilled a backyard from
a plane flying in public airspace, observing only such information as would be
available to the “naked eye.” Id. at 213. An apt analogue to Ciraolo would be a
police officer who drives by a suspect’s house, not a sophisticated electronic
camera that can zoom in and out, indelibly recording eight months of activity.
Indeed, as the Supreme Court subsequently explained in Kyllo, if the plane
in Ciraolo had been undertaking “enhanced aerial photography,” the result would
likely have been different: “While we upheld enhanced aerial photography of an
industrial complex in Dow Chemical, we noted that we found ‘it important that this
is not an area immediately adjacent to a private home, where privacy expectations
are most heightened.’” 533 U.S. at 33 (emphasis added and in original) (quoting
Dow Chemical Co. v. United States, 476 U.S. 227, 237, n.4 (1986)). Here, too, the
fact that the Government is surveilling the curtilage of a private home means that
Defendants’ “privacy expectations are most heightened.” Id.
II. Evolving Technologies Must Not Displace Reasonable Expectations of Privacy In Favor of More Intrusive Surveillance.
In their famous 1890 article, The Right to Privacy, Samuel Warren and
Louis Brandeis observed that it is “necessary from time to time to define anew the
exact nature and extent” of the protections an individual has in their person and
property. Samuel D. Warren & Louis D. Brandeis, The Right to Privacy, 4 HARV.
L. REV. 193 (1890). At a time when the technology of photography was
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proliferating, Warren and Brandeis argued that existing legal rights had broadened
over time in response to the “advance of civilization”—such that society’s
understanding of the “right to life” expanded to include the “right to be let alone,”
and the right to “property” now encompassed “every form of possession—
intangible, as well as tangible.” Id. at 193-95.
So, too, with the spheres of privacy that are protected by the Fourth
Amendment. As technology advances, and the government acquires increasingly
sophisticated surveillance devices like the pole camera at issue in this case, it is
incumbent upon the courts to ensure that the increased ease and availability of
advanced surveillance tools does not compromise the right to privacy traditionally
protected by the Fourth Amendment. Moreover, in this era of rapid technological
change, this court should also anticipate the ways in which the holding in this case
may be applied to pole cameras and related technologies of the not-so-distant
future.
A. The Advance of Technology Should Not Shrink the Zone of Privacy Protected by the Fourth Amendment.
Echoing the call to action in Professor Warren and Justice Brandeis’s article,
the Supreme Court has repeatedly stepped in to ensure that Fourth Amendment
protections remain meaningful in the face of technological advancement. As part
of these decisions, the Court has made clear that it is unwilling to mechanically
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apply judicially-created exceptions to the warrant requirement from earlier eras in
a manner that would vitiate modern reasonable expectations of privacy.
In Riley, for example, the Court held that a warrant is required to search the
contents of a person’s cell phone when the phone is seized incident to an arrest. In
earlier decisions, the Supreme Court had carved out an exception to the warrant
requirement for such searches incident to arrest, reasoning that officers should be
able to search the person arrested and the area “within his immediate control” in
order to remove any weapons that may be used to resist the arrest or to prevent the
concealment or destruction of evidence. Chimel v. California, 395 U.S. 752, 763
(1969). Yet in reaching its decision in Riley, the Court rejected the government’s
argument that searching a person’s cell phone is “materially indistinguishable”
from searching that person’s pockets. See 573 U.S. at 393 (reasoning that such a
comparison “is like saying a ride on horseback is materially indistinguishable from
a flight to the moon”).
Similarly, in Carpenter, the Court observed that there is a “world of
difference” between the “exhaustive chronicle of location information casually
collected by wireless carriers” and more traditional “business records” that
typically are afforded fewer protections. 138 S. Ct. at 2210. Compare with United
States v. Miller, 425 U.S. 435 (1976) (holding that defendant had no expectation of
privacy in financial records held by a bank). Critically, Carpenter recognized that
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its holding was not meant to expand or otherwise revise Fourth Amendment
doctrine—rather, it was an effort to keep “Founding-era understandings in mind
when applying the Fourth Amendment to innovations in surveillance tools.” 138
S. Ct. at 2214.
In Kyllo, the Court likewise aimed to “assure[] [the] preservation of that
degree of privacy against government that existed when the Fourth Amendment
was adopted” when it held that the use of an Agema Thermovision 210 thermal
imaging camera to detect the heat patterns inside a home required a warrant. 533
U.S. at 28. In doing so, it rejected as a “mechanical interpretation of the Fourth
Amendment” the government’s argument that the thermal imaging was lawful
because “it detected only heat radiating from the home’s external surface.” Id. at
35 (internal quotations and citation omitted). Importantly, the Court emphasized
the relevance not just of the specific surveillance device at issue in the case, but
also “more sophisticated systems that [were] already in use or in development,”
such as prototypes that purported to “see through” walls and other barriers. Id. at
36 & n.3. In short, digital is different.
Here too, the Court should reject the “mechanical interpretation” of the
Fourth Amendment that equates traditional law enforcement surveillance from a
public vantage point—the classic “stake out”—with a sophisticated electronic
device that was (i) deployed to continuously monitor all movement within the
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curtilage of the home for a period of eight months; (ii) enhanced by the ability to
zoom, tilt, and pan the camera; and (iii) accompanied by a recording functionality
that allowed law enforcement officers to peruse the historical surveillance from a
remote location at their leisure. As discussed above, such pervasive surveillance
can reveal a plethora of intimate details about a person’s habits, hobbies,
preferences, relationships, and other facets of their private life that otherwise
would be impossible to glean through traditional surveillance, particularly when
combined with other data. See Carpenter, 138 S. Ct. at 2218 (“[f]rom the 127 days
of location data it received, the [g]overnment could, in combination with other
information, deduce a detailed log of Carpenter’s movements.”).
In addition, the Court should take into account the fact that this type of
persistent video surveillance is “remarkably easy, cheap, and efficient.”
Carpenter, 138 S. Ct. at 2218. The FREDI HD “Mini Super Small” camera, for
example, is less than $50 and can support up to 17 hours’ worth of recording.3 For
just $70 more, the ElectroFlip HD 720p Spy Security Pinhole Camera comes with
an infrared recording capability, HD video and audio, motion detection, and other
3 Sears, FREDI HD 1080P 720P Mini Super Small Portable Hidden Spy Camera, https://www.sears.com/fredi-hd-1080p-720p-mini-super-small-portable/p-SPM8768202123 (last visited Oct. 28, 2019).
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features.4 Given the broad and affordable choices among video recording
technologies, the resource constraints that might otherwise hinder law enforcement
personnel from conducting such pervasive surveillance have significantly
decreased—leaving the Fourth Amendment as one of the few backstops protecting
the “right of a man to retreat into his own home.” Silverman v. United States, 365
U.S. 505, 511 (1961).
B. Future Pole Cameras Will Present an Even Greater Threat to the Right to Retreat Into the Home.
Lastly, when applying the Fourth Amendment to the facts of this case, the
Court should bear in mind that technology often outpaces the law. Upholding the
government’s warrantless use of a pole camera in front of the defendants’ home
today may lead to significant, unintended consequences when applied to
technology of the future. Moreover, as the costs of cameras, cloud storage, and
software continue to decrease over time, law enforcement will lack the practical
limitations that would otherwise prevent futuristic pole cameras from being
ubiquitously deployed in front of every home—thereby enabling a veritable
surveillance state.
4 Sears, ElectroFlip HD 720p Spy Security Pinhole Camera, https://www.sears.com/homesecur-hidden-spy-camera-warehouse-security-hd-720p/p-SPM8496553911 (last visited Oct. 28, 2019).
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The notion that surveillance technologies can outpace Fourth Amendment
jurisprudence is not new. In Florida v. Riley, 488 U.S. 445 (1989), Justice
Brennan dissented from the Court’s holding that a helicopter hovering over a
person’s backyard at 400 feet did not violate that person’s expectation of privacy.
Justice Brennan noted that the Court’s reasoning could extend not only to the use
of a helicopter, but also if “the police [had] employed [a] miraculous tool to
discover not only what crops people were growing in their greenhouses, but also
what books they were reading and who their dinner guests were.” Id. at 462
(Brennan, J., dissenting). The “miraculous tool” envisioned by Justice Brennan in
1989 is not unlike the drones that are available today.
More recently, the Carpenter Court recognized that “[w]hile the records in
[that] case reflect[ed] the state of technology at the start of the decade, the accuracy
of CSLI [was] rapidly approaching GPS-level precision.” Carpenter, 138 S. Ct. at
2218–19. It was thus important for the Court to consider not just the state of the
relevant surveillance technology at the time of its decision, but also the trajectory
of that technology over time.
It is not difficult to imagine the myriad ways in which pole camera
surveillance can be more intrusive when enhanced, even with existing technology.
This trend is already taking shape as surveillance cameras and video management
software become more powerful: i2c Technologies’ cameras, for example, offer
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“[r]eal-[t]ime alerts and remote access,” with software that can support hundreds of
cameras on a single network.5 The company “Covert Law Enforcement” offers a
pole camera that provides “the highest quality 720P/1080P HD imaging and a 30x
zoom, giving the best accuracy and clarity for any case.”6 Similarly, WCCTV’s
4G HD Dome camera can provide high-definition video “at up to 25 frames per
second over a cellular connection.”7 Furthermore, video management software
enables hours of footage to be reviewed in minutes by employing features like
motion detection.8
In addition to these enhanced motion detection features and improved video
footage quality, the growing development and use of “video analytics” allow more
information and inferences to be gleaned from video footage, which will further
5 i2c Technologies, Intelligent Video Surveillance Integrated Solutions for Law Enforcement, https://www.i2ctech.com/wp-content/uploads/2017/07/i2cLawEnforcementBrochure.pdf?x28211 (last visited Oct. 28, 2019). 6 Covert Law Enforcement, Reliability, Hidden in Plain Sight, https://www.covertlawenforcement.com/ (last visited Oct. 28, 2019). 7 WCCTV, Benefits of Rapid Deployment Camera Systems, https://www.wcctv.com/benefits-of-rapid-deployment-camera-systems/ (last visited Oct. 28, 2019). 8 See, e.g., i2c Technologies, Deployable Surveillance Cameras for Police, https://www.i2ctech.com/industry/deployable-surveillance-cameras-police/ (last visited Oct. 28, 2019); Dan Cremins, Find Video Surveillance Evidence Faster with these 5 Must-Have VMS Features, MARCH NETWORKS (Aug. 18, 2016), https://www.marchnetworks.com/intelligent-ip-video-blog/find-video-surveillance-evidence-faster-with-these-5-must-have-vms-features/.
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reduce existing resource limitations on persistent video surveillance and may, in
the future, permit predictive judgments to be drawn based on human activity.
By way of background, whereas traditional video cameras merely capture
raw video footage that must be viewed and processed by a human, intelligent video
analytics tools harness the power of artificial intelligence (AI) to enable the
cameras themselves to process the footage. As a result, the cameras are able to
“[u]nderstand[] the context of the entire scene and its background,” classify
objects, and compile information into a database that law enforcement officials can
subsequently search using key terms.9 One such product’s website, for example,
features a video of a woman riding a bicycle, and explains that although a human
would only see a woman riding a bicycle, the product detects, in a searchable
format, a “(1) woman, (2) wearing black and white, (3) riding on a bicycle, (4)
going at a speed of less than 8 mph, in a (5) southerly direction.”10 Another
company offers video analytics tools such as a “24/365 outdoor algorithm” for
target detection and monitoring in a variety of different environments, and a tool
dubbed “[l]oiter [a]nalytics,” which aims to detect humans remaining too long at a
9 E.g., BriefCam, It’s Not Magic . . . It’s Science, https://www.briefcam.com/technology/how-it-works/ (last visited Oct. 28, 2019). 10 Id.
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particular scene.11 There is also a market for intelligent video analytics capable of
detecting “unusual activity.” For example, some companies market software that
they allege can predict when someone is about to shoplift by analyzing body
language.12 In short, intelligent video analytics is a growing field of study and
investment is expected to mature. For example, future capabilities may include
such features as automatic kinship verification (determining if two people have a
biological relationship)13 or multi-target, multi-camera tracking (which aims to
determine the position of groups of people at all times from multiple video streams
taken by multiple cameras).
Although intelligent video analytics may seem like a futuristic fantasy, in
reality it is becoming increasingly available to law enforcement. Some brands,
such as IC Realtime, rely on cloud-based video analytics to make video instantly
searchable for items such as “specific animals, people wearing clothes of a certain
11 WCCTV, Video Analytics, https://www.wcctv.com/wcctv-video-analytics/ (last visited Oct. 28, 2019). 12 See Jaclyn Jeffrey-Wilensky, Here’s how AI could help catch shoplifters in the act, NBC NEWS (March 18, 2019), https://www.nbcnews.com/mach/science/here-s-how-ai-could-help-catch-shoplifters-act-ncna984566. 13 See Miguel Bordallo Lopez et al., Kinship verification from facial images and videos: human versus machine, MACHINE VISION AND APPLICATIONS (May 29, 2018), https://www.jorgegoncalves.com/docs/mvap18.pdf.
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color, or even individual car makes and models.”14 Others, such as the startup
Boulder AI, build artificial intelligence directly into the hardware (and as a result,
the camera can conduct video analytics offline).15 In fact, a new computer chip
can “build” AI into the hardware of any regular, cheap camera—enabling a
traditional camera to know things like “your name, what you’re holding, or that
you’ve been loitering for exactly 17.5 minutes.”16
Meanwhile, by applying facial recognition technology to video surveillance,
law enforcement agents are increasingly able to efficiently and effectively detect
and track specific individuals over time. Unlike traditional video surveillance,
facial recognition technology is able to link facial features to individuals’ names,
addresses, criminal history, and, according to some vendors, even emotions —
thereby stripping people of the anonymity they typically enjoy when they step out
into the public square.17 Law enforcement agencies are increasingly purchasing
14 James Vincent, Artificial Intelligence is Going to Supercharge Surveillance, THE VERGE (Jan. 23, 2018), https://www.theverge.com/2018/1/23/16907238/artificial-intelligence-surveillance-cameras-security. 15 See id. 16 Tom Simonite, Thanks to AI, These Cameras Will Know What They’re Seeing, WIRED (April 17, 2018), https://www.wired.com/story/thanks-to-ai-these-cameras-will-know-what-theyre-seeing/. 17 See Tim Lewis, AI can read your emotions. Should it? THE GUARDIAN (Aug. 17, 2019), https://www.theguardian.com/technology/2019/aug/17/emotion-ai-artificial-intelligence-mood-realeyes-amazon-facebook-emotient.
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such technologies and using them to track individuals on a citywide basis.18 In
Detroit, for example, police have applied facial recognition to live video streams
throughout the city in order to “identify suspects in violent crimes.”19 Such real-
time facial recognition technology is also reportedly being used by the Chicago
police, and it may soon be deployed in New York City, Orlando, and Washington,
D.C., as well.20
When facial recognition technology is incorporated into cameras that are
pointed not only at one house, but also at schools, houses of worship, political
rallies, abortion clinics, and other locations, such technology could enable law
enforcement to target and monitor people wherever they go and paint an intimate,
detailed picture of their lives—regardless of whether their activities merit any
degree of suspicion.21 Nor do the monitoring capabilities of such technologies
even stop with the recognition of faces. In China, for example, authorities already
18 See Clare Garvie & Laura M. Moy, America Under Watch: Face Surveillance in the United States (May 16, 2019), https://www.americaunderwatch.com/. 19 Erin Einhorn, A Fight Over Facial Recognition is Dividing Detroit, NBC NEWS (Aug. 22, 2019), https://www.nbcnews.com/news/us-news/fight-over-facial-recognition-dividing-detroit-high-stakes-police-privacy-n1045046. The article notes that the city is 80 percent black, “with a sizeable population of Middle Eastern, Asian and Latin American immigrants,” which may make the technology particularly prone to misidentifying people. Id. 20 See Clare Garvie & Laura M. Moy, America Under Watch supra note 18. 21 See id.
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have reportedly begun adopting technology that uses body shapes and the way
people walk in order to identify people even when their faces are obscured.22
Accordingly, before accepting the Government’s argument that people do
not have an expectation of privacy in “areas exposed to public view,” Government
Brief at 16, this Court should consider not only the pole camera at issue, but also
the “more sophisticated systems that are already in use or in development.” Kyllo,
533 U.S. at 36. Given the rate at which video surveillance technologies are
advancing, law enforcement officials may soon have at their fingertips the ability
to look up and view, in real time, any person going about their daily lives, from
carrying groceries inside their homes or driving their kids to school, to visiting a
synagogue or having an affair. The same technology would also enable the
targeting of groups of people in ways that might chill freedoms of association and
expression, such as through targeting groups at political rallies or public protests.
Under the Government’s proposed reading of the Fourth Amendment, all of this
and more will be fair game without a warrant the moment a person takes one step
outside their home.
22 See Christopher Bodeen, Hong Kong protestors wary of Chinese surveillance technology, ASSOCIATED PRESS (June 13, 2019), https://www.apnews.com/028636932a874675a3a5749b7a533969.
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CONCLUSION
For the foregoing reasons, the Court should affirm the district court’s ruling
granting Defendants–Appellees’ Motion to Suppress.
Dated: October 28, 2019
By: /s/ Trisha B. Anderson
Trisha B. Anderson Alexander A. Berengaut Jadzia Pierce COVINGTON & BURLING LLP 850 Tenth Street, N.W. Washington, D.C. 20001 (202) 662-6000 Attorneys for Amicus Curiae Center for Democracy & Technology
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CERTIFICATE OF COMPLIANCE
Pursuant to Federal Rule of Appellate Procedure (“Fed. R. App. P.”)
32(g)(1), I certify as follows:
1. This Brief of amicus curiae in Support of Defendants-Appellees complies
with the type-volume limitation of Fed. R. App. P. 29(a)(5) because this
brief contains 6,307 words, excluding the parts of the brief exempted by Fed.
R. App. P. 32(f); and
2. This Brief complies with the typeface requirements of Fed. R. App. P.
32(a)(5) and the type style requirements of Fed. R. App. P. 32(a)(6) because
this brief has been prepared in a proportionally spaced typeface using
Microsoft Word 2016, the word processing system used to prepare the brief,
in 14-point Times New Roman font.
October 28, 2019 /s/ Trisha B. Anderson Trisha B. Anderson
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CERTIFICATE OF SERVICE
I hereby certify that on this 28th day of October, 2019, I caused true and
correct copies of the foregoing Brief to be electronically filed with the Clerk of the
Court for the United States Court of Appeals for the First Circuit.
I certify that all participants in the case are registered CM/ECF users and
that service will be accomplished by the appellate CM/ECF system.
October 28, 2019 /s/ Trisha B. Anderson
Trisha B. Anderson
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